A B58 Sports cat downpipe is specifically designed to enhance the performance of vehciles equipped with the BMW B58 engine. A sports cat downpipe is a crucial part of the exhaust system, and it typically includes a high-flow catalytic converter. 

Compatibility: 
M140, M240, M340, M440, M540 

Benefits: 
Performance gains 
Sound enhancement 
Increased exhaust flow 
 
 
We offer a fitting service at our Berkshire Branch, RG19 4ER